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    Paint composition for cation electrodeposition painting
    2.
    发明授权
    Paint composition for cation electrodeposition painting 失效
    阳离子电沉积油漆组合物

    公开(公告)号：US4879325A

    公开(公告)日：1989-11-07

    申请号：US079970

    申请日：1987-07-31

    申请人： Hitoshi Kimura ,  Shigenori Kazama ,  Akitoshi Shirasaka ,  Kiyoshi Taki ,  Yukihiro Manabe

    发明人： Hitoshi Kimura ,  Shigenori Kazama ,  Akitoshi Shirasaka ,  Kiyoshi Taki ,  Yukihiro Manabe

    IPC分类号： C08F299/02 ,  C09D5/44 ,  C09D155/00 ,  C09D157/00 ,  C09D163/10

    CPC分类号： C09D5/4426 ,  C08F299/026 ,  C09D163/10

    摘要： A paint composition for cation electrodeposition painting, used for painting automotive vehicle body etc. The paint composition comprises basic unsaturated modified epoxy ester expressed by the general formula: ##STR1## where R.sub.1 and R.sub.2 are functional groups at least one of which is .alpha., .beta.-ethylenic double bond containing groups and the remainder is an unsaturated fatty acid chain; R.sub.3 is a group expressed by the formula: ##STR2## and X and Y are functional groups whose total number is n+1 in which not less than one functional group is a group containing both a tertiary amine function and a urethane function, and the remainder are hydroxyl groups (--OH), n being an integer ranging from 1 to 20. The paint composition further comprises basic unsaturated modified polydiene compound which is a reaction product of polydiene compound having a molecular weight ranging from 500 to 10,000 and unsaturated double bonds with iodine value ranging from 50 to 500, and containing oxirane oxygen ranging from 3 to 12% by weight, (2) a secondary amine, and .alpha., .beta.-ethylenic unsaturated carboxylic acid, thereby improving ability for covering the edge of a metal member to be painted.

    摘要翻译： 用于阳离子电沉积涂料的油漆组合物，用于汽车车身涂漆等。涂料组合物包含由以下通式表示的碱性不饱和改性环氧酯：其中R 1和R 2是官能团，其中至少一个是 α，β-亚乙基双键的基团，其余为不饱和脂肪酸链; R3是由下式表示的基团：X和Y是总数为n + 1的官能团，其中不少于一个官能团是含有叔胺官能团和氨基甲酸酯官能团的基团，并且 剩余部分为羟基（-OH），n为1〜20的整数。涂料组合物还含有碱性不饱和改性聚二烯化合物，其为分子量为500〜10000的聚二烯化合物与不饱和双键的反应产物 碘值范围为50〜500，环氧乙烷氧含量为3〜12重量％，（2）仲胺和α，β-亚乙烯基不饱和羧酸，从而提高覆盖金属构件边缘的能力 被画。